[Expired]National Geographic Magnetic Marble Run 150 Pieces

• Amazon now offers National Geographic Magnetic Marble Run Set, 150-piece STEM Building Kit, now $67.99 (original price $79.99).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: This magnetic marble run features a patented design that can be built on any magnetic surface like refrigerators or whiteboards. It includes 70 track connectors, 32 special action pieces, and 25 marbles, plus a motorized marble elevator that helps children learn physics and engineering principles through testing and modification. The secure clip design prevents building frustration, and it comes with detailed instructions and teaching guides to inspire unlimited creativity.